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ABB OTM63F4C21D400C automatic transfer switch, a 63 A four-pole motor-operated ATS designed for reliable low-voltage power source transfer applications.
£1,144.58
The ABB OTM63F4C21D400C is a compact and reliable automatic transfer switch (ATS) designed for automatic changeover between two power sources in low-voltage electrical distribution systems. As part of the advanced ABB Compact ATS series, it provides dependable power transfer for industrial, commercial and backup power applications requiring improved supply continuity.
This motor-operated automatic transfer switch features a self-supplied 21D controller with adjustable operating parameters and an open transition 1-0-2 switching operation. Its compact construction enables straightforward installation in distribution panels, generator systems and industrial control assemblies while providing reliable automatic source monitoring and transfer.
With a rated operational current of 63 A, a four-pole switching configuration and a 380–415 V AC operating voltage, the OTM63F4C21D400C is suitable for mains-to-generator transfer systems, commercial distribution boards and industrial power continuity applications.
Automatic transfer switches such as the ABB OTM63F4C21D400C monitor available power sources and automatically transfer connected loads when the primary supply fails or backup power becomes available. This helps improve electrical system resilience and reduce downtime in essential installations.
The ABB Compact ATS range is designed for electrical engineers, panel builders and facility operators requiring compact and dependable automatic changeover solutions. Its integrated controller, motor mechanism and adjustable operating parameters support reliable operation in modern power distribution systems.
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| Mounting Type | Panel / door | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Operation | Automatic | |
| Poles | 4-pole | |
| HS Code | 85365080 | |
| Country of Manufacture | China | |
| Manufacturer | ABB | |
| Series | Compact ATS | |
| Model | OTM63F4C21D400C | |
| Product ID | 1SCA151255R1001 | |
| Product type | Automatic transfer switch | |
| Rated operational current | 63 A | |
| Number of poles | 4P | |
| Controller type | 21D | |
| Rated operational voltage | 380–415 V AC | |
| Motor operational voltage | 380–415 V AC | |
| Rated operational power | 30 kW at 380–415 V AC | |
| Rated insulation voltage (Ui) | 800 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated short-time withstand current | 2.5 kA for 1 second | |
| Transition type | Open transition | |
| Switch positions | 1-0-2 | |
| Fourth pole type | Switched – simultaneous function | |
| Protection rating | Front IP20 | |
| Mounting type | Panel / distribution board mounting | |
| Dimensions (H × W × D) | approx. 103 × 233 × 131 mm | |
| Weight | approx. 2.11 kg |
The ABB OTM63F4C21D400C is an automatic transfer switch used to transfer electrical loads between two power sources such as mains and standby generators.
The switch supports a rated operational current of 63 A for industrial and commercial low-voltage applications.
The OTM63F4C21D400C operates with a 380–415 V AC rated voltage range.
The OTM63F4C21D400C features a 4-pole switching configuration including switched neutral operation.
The transfer switch includes an integrated 21D controller with adjustable operating parameters for automatic transfer operation.
ABB Compact ATS automatic transfer switches are widely used in industrial and commercial power systems to provide reliable source transfer, improved electrical resilience and dependable backup power management.
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